If you use Waze, hackers can stalk you, add thousands of ghost cars to divert your traffic

Researchers at the University of California-Santa Barbara recently discovered a Waze vulnerability that allowed them to create thousands of “ghost drivers” that can monitor the drivers around them—an exploit that could be used to track Waze users in real-time. They proved it to me by tracking my own movements around San Francisco and Las Vegas over a three-day period.

Here’s how the exploit works. Waze’s servers communicate with phones using an SSL encrypted connection, a security precaution meant to ensure that Waze’s computers are really talking to a Waze app on someone’s smartphone. Zhao and his graduate students discovered they could intercept that communication by getting the phone to accept their own computer as a go-between in the connection. Once in between the phone and the Waze servers, they could reverse-engineer the Waze protocol, learning the language that the Waze app uses to talk to Waze’s back-end app servers. With that knowledge in hand, the team was able to write a program that issued commands directly to Waze servers, allowing the researchers to populate the Waze system with thousands of “ghost cars”—cars that could cause a fake traffic jam or, because Waze is a social app where drivers broadcast their locations, monitor all the drivers around them.

Source: If you use Waze, hackers can stalk you

Robin Edgar

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